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Science News Archive 2024


Page 136 of 484

The environmental impacts of genetically modified crops

New research on genetically modified crops reveals potential environmental impacts, including increased pesticide use, deforestation, and greenhouse gas emissions. The study highlights the need for further research to support sustainable agriculture practices.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Study reveals shifting landscape of UN human rights discourse

A new study reveals a significant evolution in the UN's approach to human rights, with growing emphasis on disability and business-related rights. The research highlights the importance of corporate responsibility and suggests a move toward a more comprehensive understanding of human rights that encompasses economic and social rights.

How male hormones regulate skeletal muscle function

Researchers found that androgens regulate skeletal muscle mass by regulating IGF1 expression via AR expressed in mesenchymal progenitors of skeletal muscle. This suggests a potential new treatment for sarcopenia, an age-related loss of skeletal muscle weight.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Absolute and functional iron deficiency in the US

A significant proportion of American adults suffer from absolute and functional iron deficiency, which can lead to adverse health outcomes. The study highlights the importance of screening strategies for iron deficiency, as it is a common issue that may be overlooked or undertreated.

Better together: Gut microbiome communities’ resilience to drugs

Researchers discovered that certain bacteria display communal behaviors protecting sensitive species from drugs, allowing them to grow normally in a community. The study found that high drug concentrations cause microbiome communities to collapse and cross-protection strategies are replaced by cross-sensitisation.

Thermal effects in spintronics systematically assessed for first time

A new experimental technique directly measures heating in spintronic devices, allowing researchers to compare thermal effects to electromagnetic interactions. The study finds that heating has a significant impact on antiferromagnetic materials used in spintronics, but the effect depends on the physics responsible.

Another Franklin expedition crew member has been identified

Researchers have identified James Fitzjames, a senior officer of Sir John Franklin's 1845 Northwest Passage expedition, using DNA and genealogical analyses. The identification was made possible by a DNA sample from a living descendant that matched the remains found on King William Island.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Duke-NUS study finds outbreak detection under-resourced in Asia

A study by Duke-NUS reveals that only half of South and Southeast Asian countries have genomic sequencing initiatives in their national plans. The study identifies key priorities to enhance preparedness against future pandemics, including strengthening partnerships, financing, and guidelines.

NIH-funded climate and health center launches at Columbia

The new center, funded by a $4.2 million NIH grant, will build research capacity and catalyze climate and health solutions. It aims to promote climate justice through community engagement and develop evidence-based policies to mitigate the impacts of climate change on human health.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

New tool quantifies cancer’s ability to shape-shift

A new analytical tool called PATH can quantify tumor cell plasticity, which is a key characteristic of cancer that leads to treatment resistance and metastatic spread. Researchers used PATH to analyze tumor samples from animal models and human patients, revealing new details of how tumors exploit plasticity to spread.

Human and other primate hearts differ genetically

Researchers have identified hundreds of genes and microproteins specific to human hearts, which are also abnormally expressed in heart failure. These findings provide new insights into cardiac disease and suggest potential targets for therapy.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Diagnosing respiratory infections with breath

A proof-of-concept study introduces a medical device that measures protease activity in human breath to diagnose lower respiratory tract infections. The system showed elevated levels of human neutrophil elastase in patients with confirmed lower respiratory tract infections, suggesting its potential for rapid and non-invasive diagnosis.

With curtailed carbon emissions, corals can survive climate change

Researchers at UH Hawaiʻi Institute of Marine Biology identified scenarios under which eight coral species can adapt to ocean warming and acidification. The corals can survive a 'low climate change scenario' but not a 'business-as-usual' scenario, highlighting the importance of curtailing carbon emissions for their survival.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

The impact of AI on specific jobs

A study using machine learning to analyze patents and job task descriptions found that AI is likely to augment rather than replace many jobs. The most impacted occupations included orthodontists, security guards, and air traffic controllers.

Study offers improvements to food quality computer predictions

A study from the University of Arkansas System Division of Agriculture has improved food quality computer predictions by using human perception data. The researchers trained a computer model to mimic human adaptation to environmental conditions, resulting in more consistent predictions under different lighting conditions.

Feeding coral reefs can aid their recovery from bleaching events

A new study suggests that altering coral feeding habits could aid their recovery from bleaching events caused by rising ocean temperatures and acidification. Feeding corals zooplankton after a bleaching event improved their resilience to warming temperatures, promoting growth and enhancing recovery rates.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Innovative electrolytes could transform steelmaking and beyond

Researchers at Argonne National Laboratory have developed innovative electrolytes that can improve the efficiency of electrochemical processes, including steel production. The new electrolytes are designed to reduce greenhouse gas emissions by eliminating energy-intensive blast furnaces.

The curious immune cells caught between worlds

Researchers at Cold Spring Harbor Laboratory have discovered that innate-like T cells mature differently in humans than in mice, with age playing a critical role in their development. This finding has significant implications for the development of immunotherapeutics, highlighting the need to consider human-specific differences when te...

Researchers unpack sign language’s visual advantage

Researchers propose that sign language classifiers are integrated into the grammar through pictorial representation, appearing in a comic book-like order. This visualization mechanism allows for greater flexibility and complexity in language, complementing standard words with iconic expressions.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Improved cement to protect the living treasures of our coastlines

Researchers developed new surface treatments to reduce biological toxicity effects on marine organisms. Biofilm growth and coral survival were significantly improved on surface-treated samples, while bulk-treated samples showed reduced biofilm growth and mechanical properties.

Well-being as student success

Well-being is defined as a sense of belonging, agency, purpose, identity, civic engagement, and financial well-being. The authors summarize data-backed teaching practices supporting elements of student well-being, including supportive mentorships and experiential learning opportunities.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Could GLP1RA drugs lower high iron levels?

Researchers found that liraglutide alters iron metabolism, decreasing liver iron storage and circulation. The study suggests a potential new therapeutic option for patients with hereditary hemochromatosis.

How a butterfly invasion minimizes genetic diversity

A Europe-wide invasion of the southern small white butterfly has led to a significant loss of genetic diversity within the species. The insect's expansion into new areas is facilitated by urbanization and its preference for human-designed habitats, but this comes at the cost of reduced genetic variation.

Mechanism behind autophagy trigger unveiled

A research team led by Osaka University has identified a new mechanism crucial for the initiation of autophagy, a self-degradation process cells use to eliminate unneeded or damaged components. The palmitoylation of ULK1 by ZDHHC13 plays a critical role in this process.

Soccer headers briefly slow brain activity, study shows

A new study from the University of British Columbia reveals that soccer headers can briefly slow brain activity, producing waves associated with sleep and drowsiness. The research found increased delta brain waves within moments of impact, potentially disrupting information processing and leading to reduced focus.

New predatory flatworm discovered in southeastern United States

Scientists have discovered a new species of predatory flatworm in North Carolina and Florida, which has been detected in residential landscapes across the Southeast. The researchers found that the flatworm has brownish-black color and feeds on soft-bodied organisms like earthworms and slugs.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Robust AUC maximization for classification with pairwise confidence comparisons

Researchers proposed a new method, PC-AUC, to improve weakly-supervised learning frameworks for classification tasks. The method utilizes pairwise comparison data to maximize the area under the ROC curve (AUC), demonstrating its effectiveness on multiple datasets. Further leveraging unlabeled data could enhance performance in the future.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Dr. Roger Lo awarded NIH grant to tackle melanoma treatment resistance

Dr. Roger Lo has been awarded a $2 million NIH grant to investigate ways to prevent drug resistance in melanoma treatment and improve the effectiveness of MAPK inhibitors. The team aims to target genetic instability and immune evasion to stabilize the melanoma genome and make it more vulnerable to immune attacks.

Greenhouse gas emissions from silage fed to livestock

Researchers estimate that silage from maize, alfalfa, and sorghum crops can produce substantial amounts of nitrous oxide, a potent greenhouse gas. Chlorate addition may significantly lower N2O emissions, primarily due to denitrifying bacteria.

Reduced sialylation of mucin impairs mucus transport in lungs

Researchers found that reducing sialic acid levels on MUC5B mucin protein can alter its structure, leading to entangled polymers and impaired mucus transport. This study identifies a possible therapeutic strategy for treating cystic fibrosis and other muco-obstructive diseases.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

How the brain processes the number zero

A team of researchers from Bonn and Tübingen has discovered that individual nerve cells in the medial temporal lobe recognize the number zero as a numerical value. The study found that neurons respond to both Arabic numerals and empty sets, but not both simultaneously.